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基于波前快速推进法的页岩气储层动用预测
引用本文:滕柏路,程林松,黄世军,贾振,艾爽. 基于波前快速推进法的页岩气储层动用预测[J]. 西南石油大学学报(自然科学版), 2016, 38(2): 122. DOI: 10.11885/j.issn.1674-5086.2013.10.21.01
作者姓名:滕柏路  程林松  黄世军  贾振  艾爽
作者单位:中国石油大学(北京)石油工程学院,北京昌平102249
基金项目:国家重点基础研究发展计划(SQ2012CB027805)。
摘    要:对非常规能源尤其是页岩气藏的开发越来越受到人们的重视,然而,目前对页岩气藏动用情况的预测还有待提高。波前快速推进法是一种可以快速高效地预测波前运移情况的方法,在考虑页岩基质吸附解吸特性,及基质孔隙中气体的滑脱作用影响的前提下,利用Van Kruysdijk 提出的多段压裂水平井的复合线性流模型,将储层划分不同的流动区域,并分别建立基质与裂缝的程函方程,基于波前快速推进法求解程函方程,从而达到对多段压裂水平井页岩气储层的动用进行预测的目的。绘制了储层动用情况与时间的关系图,对比了考虑解吸和滑脱与不考虑解吸和滑脱的储层动用情况。结果表明,滑脱效应加快了储层的动用速度对储层动用影响较大,而解吸作用降低了储层的动用速度对储层动用影响较小。

关 键 词:页岩气  波前快速推进法  动用体积  多级压裂  水平井  

Prediction of the Drainage Volume of Shale Gas Reservoir with Fast#br#Marching Method
TENG Bailu,CHENG Linsong,HUANG Shijun,JIA Zhen,AI Shuang. Prediction of the Drainage Volume of Shale Gas Reservoir with Fast#br#Marching Method[J]. Journal of Southwest Petroleum University(Seience & Technology Edition), 2016, 38(2): 122. DOI: 10.11885/j.issn.1674-5086.2013.10.21.01
Authors:TENG Bailu  CHENG Linsong  HUANG Shijun  JIA Zhen  AI Shuang
Affiliation:College of Petroleum Engineering,China University of Petroleum(Beijing),Changping,Beijing 102249,China
Abstract:The development of unconventional energy,especially shale gas reservoir,is getting more and more attention;however,prediction of the drainage volume of shale gas reservoir is to be improved. Fast marching method is a fast andefficient method to present the front of the pressure. Taking into account desorption and slippage,the flow regions can bedivided with the compound linear flow model by Van Kruysdijk. The Eikonal equation of the matrix and the fracture can beobtained and solved with fast marching method,then drainage volume of the reservoir at different time can be obtained,andthe comparison of the condition whether or not considering desorption and the effect of slippage can be seen easily. The resultshows that slippage accelerates the increase of drainage volume and desorption slows the increase of drainage volume. Theinfluence of slippage is greater than desorption.
Keywords:shale gas  fast marching method  drainage volume  multi-stage fracture  horizontal well  
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